Cooler



Sept. l, 1931.

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Patented Sept. 1, 1931' l 821 84 UNITED STATES PATENT OFFICE HARRY L. MILLER, OF CHESTER, PENNSYLVANIA COOLER Application filed November 15, 1930. Serial No. 495,968.

This invention relates to that class of coola detail view of a part of the same. ers known as trickle coolers in that coolers Referring to the drawings, 12 denotes of this class each comprises a vertical series ndards provided with brackets 13 conof horizontaltubes through which the cooling et-ted with the returns 14 of the cooling 5 liquid is circulated and over vhich the liquid tubes 15, the connections between said :.-5

to be cooled is caused to flow from an upper brackets being preferably somewhat loose,

feed pipe or trough and runs downward into as set forth in my application Serial No.

a suitable trough or receptacle at the bottom S4 O20 tiled March 7, 1930, to accommodate of the cooler. In coolers of this class some expansion and contraction.

10 objection has existed owing to the fact that The cooler tubes 15 are provided near their oo the milk or other liquid being cooled had a outer ends with inwardlyv inclined circumtendcncy to run out to and drip from the ends f-rential guard flanges 16, to which are of the tubes, and it has been proposed to objoined and from which extend outwardly inviate this objection by providing the tubes, clined flanges 1T. As clearly shown in the 15 near their' outer ends` with inclined circumdra vv'ings these guard flanges are formed in- U5 ferential guard flanges to direct the liquid teeral with the tubes 15, preferably by castbeing cooled inward and prevent its escape ing. Thus any milk or other liquid being from the ends of the tubes. These inclined cooled which may overflow the flanges 16 will guard flanges do not, however, always entirebe prevented from returning to the flow line, ly prevent the liquid being cooled from runand any water of condensation which may 7o ning outward over said flanges. Moreover accumulate on the end parts of the tubes outniore or less water of condensation accumuside of the flanges lf will also be prevented lates on the tubes, outside of the guard flanges from getting into the line of flow of the milk and this water may drip down or otherwise er other liquid being cooled, and contaminaenter the line of flow of the milk or other tion or adulteration of the liquid being cooled 7 liquid being cooled. This is objectionable, will be avoided by the outwardly inclined particularly in cooling' milk, as will be unparts of the double flanges. derstood. The invention is not to be understood as be- The present invention has for its object to ing limited to the exact construction of the obviate the objections just referred to, and guard flanges herein shown, as such conso this object is attained by providing the coolstruction may be varied. within the province ing tubes with what may be termed double of mechanical skill. without departing from guard flanges, or by providing, to co-operate the essence of the invention. withtheinwardlyinclinedguardflanges,sup Having thus described my invention I pleinental, outwardly inclined parts or flanges claim and desire to secure by Letters Patent: :1. which will direct the water of condensation l. cooler conlprising a vertical series of and any liquid which may overflow the inhorizontally disposed cooling tubes provided wardly inclined guard flanges outward tonear each of their outer ends with inwardly wards the ends of the cooling tubes. Thus and outwardly inclined guard flanges which 40 when the cooler is being used in cooling milk are integral with said tubes. @o

any water of condensation, or any milk which cooler comprising a vertical series of may overflow the inwardly inclined guard horizontally disposed cooling tubes provided flanges. and which may gather' impurities near their outer ends with inwardly and outfroni the outer end parts of the tubes, will be wai-illy inclined guard flanges, said outwardplevented from getting into the flowing milk ly inclined flanges being joined to and eX- ffl line and adulteration or contamination of the tending from the said inwardly inclined milk will consequently be avoided. flanges.

ln the accompanying drawings Fig. 1 is a ln testimony whereof I my signature. general view of the lower part of a cooler embodying the present invention, and Fig. 2 HARRY L. MILLER. f 

